This week ET will go behind the scenes on the set of the upcoming ‘Whitney’ bio-pic and give an exclusive first look at the film and chat with the stars. In a sneak peek teaser which aired on Monday evening, the films lead actress Yaya DaCosta,  director Angela Bassett and Deborah Cox who will be provide the vocals for the Whitney songs, all appear in the clip discussing the highly anticipated and controversial film which is set to air on Lifetime in 2015.  Check out the LQ teaser below and keep it locked here for the full video when it airs on Tuesday (July 22).